IGCSE /Grade 8
Maths MCQ Based On Estimating square roots
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IGCSE Grade 8 Maths Estimating square roots
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Since 21 is closer to 16 (4^2) than to 25 (5^2), the estimated square root would be 4.
Since 95 is closer to 100 (10^2) than to 81 (9^2), the estimated square root would be 10.
Since 17 is closer to 16 (4^2) than to 25 (5^2), the estimated square root would be 4.
Since 75 is closer to 81 (9^2) than to 64 (8^2), the estimated square root would be 9.
find the factors and multiply with 2888 and square root
Since 82 is closer to 81 (9^2) than to 100 (10^2), the estimated square root would be 10.
Inverse of squaring the given number
the largest 3-digit number is 999
Since 111 is closer to 121 (11^2) than to 100 (10^2), the estimated square root would be 11.
Since 33 is closer to 36 (6^2) than to 49 (7^2), the estimated square root would be 7.
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